Thank you, @lukastribus 
Might I ask two more questions?
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If I take one of my servers down, will the loadbalancer reset the connection count for that server automatically to zero?
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Does using wss (instead of ws) introduce any problems in terms of leastconn balancing? Would it matter -from a balancing and connection counting perspective- where I terminate SSL in this case (on the load balancer vs on the server)?
Thank you again for your very kind help!